dhcp.c in dhcpcd before 7.2.1 contains a 1-byte read overflow with DHO_OPTSOVERLOADED.
Priority LOW 27CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
dhcp.c in dhcpcd before 7.2.1 contains a 1-byte read overflow with DHO_OPTSOVERLOADED.
Why it matters now
EPSS 0.01414 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dhcpcd_project:dhcpcd:*:*:*:*:*:*:*:* | before 7.2.1 | Vulnerable | NetworkConfiguration |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
- cpe:2.3:a:dhcpcd_project:dhcpcd:*:*:*:*:*:*:*:* Versions before 7.2.1 Vulnerable ·NetworkConfiguration
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-11579
- 2026-10-03 Alias added: GHSA-2gjm-hvmq-383v
References
Sources
- CVE-2019-11579 · CVE Program
- CVE-2019-11579 · NVD
- FIRST EPSS
- GHSA-2gjm-hvmq-383v · GitHub Advisory Database · CC BY 4.0
- CVE-2019-11579 · Red Hat security data · CC BY 4.0
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